Home / 347,659,617.60-521,489,426.40-105,322,521.60

Finding the Fourth Proportional to 347,659,617.60, 521,489,426.40 and 105,322,521.60

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Solution

The fourth proportional to 347,659,617.60, 521,489,426.40 and 105,322,521.60 is: 157,983,782.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,659,617.60 : 521,489,426.40 = 105,322,521.60 : x
  2. Step 2: Convert to fraction form
    347,659,617.60/521,489,426.40 = 105,322,521.60/x
  3. Step 3: Cross multiply
    347,659,617.60x = 521,489,426.40 × 105,322,521.60
  4. Step 4: Simplify right side
    347,659,617.60x = 54,924,581,376,185,608
  5. Step 5: Solve for x
    x = 54,924,581,376,185,608/347,659,617.60
  6. Step 6: Final answer
    x = 157,983,782.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.